Commit | Line | Data |
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9c312311 | 1 | /* This file is part of the Linux Trace Toolkit viewer |
2 | * Copyright (C) 2003-2004 Michel Dagenais | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License Version 2 as | |
6 | * published by the Free Software Foundation; | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, | |
16 | * MA 02111-1307, USA. | |
17 | */ | |
18 | ||
4e4d11b3 | 19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> | |
21 | #endif | |
22 | ||
00e74b69 | 23 | #include <string.h> |
f0ca53e9 | 24 | #include <lttv/lttv.h> |
d8f124de | 25 | #include <lttv/tracecontext.h> |
ffd54a90 | 26 | #include <ltt/event.h> |
a5dcde2f | 27 | #include <ltt/trace.h> |
33e44b82 | 28 | #include <lttv/filter.h> |
27304273 | 29 | #include <errno.h> |
3667f07d | 30 | #include <ltt/time.h> |
556b540a | 31 | #include <lttv/event.h> |
dc877563 | 32 | |
922581a4 YB |
33 | #include <babeltrace/context.h> |
34 | #include <babeltrace/iterator.h> | |
35 | ||
36 | #include <babeltrace/ctf/events.h> | |
37 | #include <babeltrace/ctf/iterator.h> | |
38 | ||
27304273 | 39 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
8697a616 | 40 | { |
90e19f82 AM |
41 | gint comparison = 0; |
42 | ||
43 | const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a; | |
44 | const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b; | |
45 | ||
46 | if(likely(trace_a != trace_b)) { | |
47 | comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp); | |
48 | if(unlikely(comparison == 0)) { | |
49 | if(trace_a->index < trace_b->index) comparison = -1; | |
50 | else if(trace_a->index > trace_b->index) comparison = 1; | |
51 | else if(trace_a->t_context->index < trace_b->t_context->index) | |
52 | comparison = -1; | |
53 | else if(trace_a->t_context->index > trace_b->t_context->index) | |
54 | comparison = 1; | |
55 | } | |
56 | } | |
57 | return comparison; | |
8697a616 | 58 | } |
59 | ||
9ba3aaaf | 60 | typedef struct _LttvTracefileContextPosition { |
90e19f82 AM |
61 | LttEventPosition *event; |
62 | LttvTracefileContext *tfc; | |
63 | gboolean used; /* Tells if the tfc is at end of traceset position */ | |
9ba3aaaf | 64 | } LttvTracefileContextPosition; |
65 | ||
66 | ||
8697a616 | 67 | struct _LttvTracesetContextPosition { |
90e19f82 AM |
68 | GArray *tfcp; /* Array of LttvTracefileContextPosition */ |
69 | LttTime timestamp; /* Current time at the saved position */ | |
70 | /* If ltt_time_infinite : no position is | |
71 | * set, else, a position is set (may be end | |
72 | * of trace, with ep->len == 0) */ | |
8697a616 | 73 | }; |
74 | ||
ffd54a90 | 75 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
dc877563 | 76 | { |
90e19f82 | 77 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
dc877563 | 78 | } |
79 | ||
80 | ||
81 | void lttv_context_fini(LttvTracesetContext *self) | |
82 | { | |
90e19f82 | 83 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
dc877563 | 84 | } |
85 | ||
86 | ||
87 | LttvTracesetContext * | |
88 | lttv_context_new_traceset_context(LttvTracesetContext *self) | |
89 | { | |
90e19f82 | 90 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
dc877563 | 91 | } |
92 | ||
93 | ||
94 | ||
95 | ||
96 | LttvTraceContext * | |
97 | lttv_context_new_trace_context(LttvTracesetContext *self) | |
98 | { | |
90e19f82 | 99 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
dc877563 | 100 | } |
101 | ||
102 | ||
103 | LttvTracefileContext * | |
104 | lttv_context_new_tracefile_context(LttvTracesetContext *self) | |
105 | { | |
90e19f82 | 106 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
dc877563 | 107 | } |
108 | ||
f7afe191 | 109 | /**************************************************************************** |
110 | * lttv_traceset_context_compute_time_span | |
111 | * | |
14bc9b7c | 112 | * Keep the time span in sync with on the fly addition and removal of traces |
f7afe191 | 113 | * in a trace set. It must be called each time a trace is added/removed from |
114 | * the traceset. It could be more efficient to call it only once a bunch | |
115 | * of traces are loaded, but the calculation is not long, so it's not | |
116 | * critical. | |
117 | * | |
118 | * Author : Xang Xiu Yang | |
f7afe191 | 119 | ***************************************************************************/ |
800dfee0 BP |
120 | void lttv_traceset_context_compute_time_span(LttvTracesetContext *self, |
121 | TimeInterval *time_span) | |
f7afe191 | 122 | { |
90e19f82 AM |
123 | LttvTraceset * traceset = self->ts; |
124 | int numTraces = lttv_traceset_number(traceset); | |
125 | int i; | |
126 | LttTime s, e; | |
127 | LttvTraceContext *tc; | |
128 | LttTrace * trace; | |
129 | ||
130 | time_span->start_time.tv_sec = 0; | |
131 | time_span->start_time.tv_nsec = 0; | |
132 | time_span->end_time.tv_sec = 0; | |
133 | time_span->end_time.tv_nsec = 0; | |
134 | ||
135 | for(i=0; i<numTraces;i++){ | |
136 | tc = self->traces[i]; | |
137 | trace = tc->t; | |
138 | ||
139 | ltt_trace_time_span_get(trace, &s, &e); | |
140 | tc->time_span.start_time = s; | |
141 | tc->time_span.end_time = e; | |
142 | ||
143 | if(i==0){ | |
144 | time_span->start_time = s; | |
145 | time_span->end_time = e; | |
146 | } else { | |
147 | if(s.tv_sec < time_span->start_time.tv_sec | |
148 | || (s.tv_sec == time_span->start_time.tv_sec | |
149 | && s.tv_nsec < time_span->start_time.tv_nsec)) | |
150 | time_span->start_time = s; | |
151 | if(e.tv_sec > time_span->end_time.tv_sec | |
152 | || (e.tv_sec == time_span->end_time.tv_sec | |
153 | && e.tv_nsec > time_span->end_time.tv_nsec)) | |
154 | time_span->end_time = e; | |
155 | } | |
156 | } | |
f7afe191 | 157 | } |
158 | ||
eed2ef37 | 159 | static void init_tracefile_context(LttTracefile *tracefile, |
90e19f82 | 160 | LttvTraceContext *tc) |
eed2ef37 | 161 | { |
90e19f82 AM |
162 | LttvTracefileContext *tfc; |
163 | LttvTracesetContext *tsc = tc->ts_context; | |
eed2ef37 | 164 | |
90e19f82 | 165 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc); |
eed2ef37 | 166 | |
90e19f82 AM |
167 | tfc->index = tc->tracefiles->len; |
168 | tc->tracefiles = g_array_append_val(tc->tracefiles, tfc); | |
eed2ef37 | 169 | |
90e19f82 AM |
170 | tfc->tf = tracefile; |
171 | ||
172 | tfc->t_context = tc; | |
173 | tfc->event = lttv_hooks_new(); | |
174 | tfc->event_by_id = lttv_hooks_by_id_new(); | |
175 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
176 | tfc->target_pid = -1; | |
eed2ef37 | 177 | } |
178 | ||
dc877563 | 179 | |
180 | static void | |
181 | init(LttvTracesetContext *self, LttvTraceset *ts) | |
182 | { | |
90e19f82 AM |
183 | guint i, nb_trace; |
184 | ||
185 | LttvTraceContext *tc; | |
186 | ||
187 | GData **tracefiles_groups; | |
188 | ||
189 | struct compute_tracefile_group_args args; | |
922581a4 YB |
190 | |
191 | struct bt_iter_pos begin_pos; | |
90e19f82 AM |
192 | |
193 | nb_trace = lttv_traceset_number(ts); | |
194 | self->ts = ts; | |
195 | self->traces = g_new(LttvTraceContext *, nb_trace); | |
196 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
197 | self->ts_a = lttv_traceset_attribute(ts); | |
922581a4 YB |
198 | |
199 | begin_pos.type = BT_SEEK_BEGIN; | |
200 | ||
201 | self->iter = bt_ctf_iter_create(lttv_traceset_get_context(ts), | |
202 | &begin_pos, | |
203 | NULL); | |
204 | self->event_hooks = lttv_hooks_new(); | |
205 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
206 | for(i = 0 ; i < nb_trace ; i++) { |
207 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); | |
208 | self->traces[i] = tc; | |
209 | ||
210 | tc->ts_context = self; | |
211 | tc->index = i; | |
212 | tc->vt = lttv_traceset_get(ts, i); | |
213 | tc->t = lttv_trace(tc->vt); | |
214 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
215 | tc->t_a = lttv_trace_attribute(tc->vt); | |
216 | tc->tracefiles = g_array_sized_new(FALSE, TRUE, | |
217 | sizeof(LttvTracefileContext*), 10); | |
218 | ||
219 | tracefiles_groups = ltt_trace_get_tracefiles_groups(tc->t); | |
220 | if(tracefiles_groups != NULL) { | |
221 | args.func = (ForEachTraceFileFunc)init_tracefile_context; | |
222 | args.func_args = tc; | |
223 | ||
224 | g_datalist_foreach(tracefiles_groups, | |
225 | (GDataForeachFunc)compute_tracefile_group, | |
226 | &args); | |
227 | } | |
228 | ||
eed2ef37 | 229 | |
90e19f82 | 230 | } |
922581a4 | 231 | #endif |
90e19f82 AM |
232 | self->sync_position = lttv_traceset_context_position_new(self); |
233 | self->pqueue = g_tree_new(compare_tracefile); | |
234 | lttv_process_traceset_seek_time(self, ltt_time_zero); | |
235 | lttv_traceset_context_compute_time_span(self, &self->time_span); | |
8697a616 | 236 | |
dc877563 | 237 | } |
238 | ||
239 | ||
240 | void fini(LttvTracesetContext *self) | |
241 | { | |
90e19f82 | 242 | guint i, j, nb_trace, nb_tracefile; |
dc877563 | 243 | |
90e19f82 | 244 | LttvTraceContext *tc; |
dc877563 | 245 | |
90e19f82 | 246 | LttvTracefileContext **tfc; |
dc877563 | 247 | |
90e19f82 | 248 | LttvTraceset *ts = self->ts; |
dc877563 | 249 | |
90e19f82 AM |
250 | g_tree_destroy(self->pqueue); |
251 | g_object_unref(self->a); | |
252 | lttv_traceset_context_position_destroy(self->sync_position); | |
dc877563 | 253 | |
90e19f82 | 254 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 255 | |
90e19f82 AM |
256 | for(i = 0 ; i < nb_trace ; i++) { |
257 | tc = self->traces[i]; | |
dc877563 | 258 | |
90e19f82 | 259 | g_object_unref(tc->a); |
dc877563 | 260 | |
90e19f82 | 261 | nb_tracefile = tc->tracefiles->len; |
dc877563 | 262 | |
90e19f82 AM |
263 | for(j = 0 ; j < nb_tracefile ; j++) { |
264 | tfc = &g_array_index(tc->tracefiles, LttvTracefileContext*, j); | |
265 | lttv_hooks_destroy((*tfc)->event); | |
266 | lttv_hooks_by_id_destroy((*tfc)->event_by_id); | |
267 | g_object_unref((*tfc)->a); | |
268 | g_object_unref(*tfc); | |
269 | } | |
270 | g_array_free(tc->tracefiles, TRUE); | |
271 | g_object_unref(tc); | |
272 | } | |
273 | g_free(self->traces); | |
dc877563 | 274 | } |
275 | ||
276 | ||
277 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
278 | LttvHooks *before_traceset, |
279 | LttvHooks *before_trace, | |
280 | LttvHooks *before_tracefile, | |
281 | LttvHooks *event, | |
282 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 283 | { |
90e19f82 | 284 | LttvTraceset *ts = self->ts; |
dc877563 | 285 | |
90e19f82 | 286 | guint i, nb_trace; |
dc877563 | 287 | |
90e19f82 | 288 | LttvTraceContext *tc; |
dc877563 | 289 | |
90e19f82 | 290 | lttv_hooks_call(before_traceset, self); |
922581a4 YB |
291 | |
292 | lttv_hooks_add_list(self->event_hooks, event); | |
dc877563 | 293 | |
90e19f82 | 294 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 295 | |
90e19f82 AM |
296 | for(i = 0 ; i < nb_trace ; i++) { |
297 | tc = self->traces[i]; | |
298 | lttv_trace_context_add_hooks(tc, | |
299 | before_trace, | |
300 | before_tracefile, | |
301 | event, | |
302 | event_by_id_channel); | |
303 | } | |
dc877563 | 304 | } |
305 | ||
306 | ||
307 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, | |
90e19f82 AM |
308 | LttvHooks *after_traceset, |
309 | LttvHooks *after_trace, | |
310 | LttvHooks *after_tracefile, | |
311 | LttvHooks *event, | |
312 | LttvHooksByIdChannelArray *event_by_id_channel) | |
dc877563 | 313 | { |
8697a616 | 314 | |
90e19f82 | 315 | LttvTraceset *ts = self->ts; |
dc877563 | 316 | |
90e19f82 | 317 | guint i, nb_trace; |
dc877563 | 318 | |
90e19f82 | 319 | LttvTraceContext *tc; |
dc877563 | 320 | |
90e19f82 | 321 | nb_trace = lttv_traceset_number(ts); |
dc877563 | 322 | |
90e19f82 AM |
323 | for(i = 0 ; i < nb_trace ; i++) { |
324 | tc = self->traces[i]; | |
325 | lttv_trace_context_remove_hooks(tc, | |
326 | after_trace, | |
327 | after_tracefile, | |
328 | event, | |
329 | event_by_id_channel); | |
330 | } | |
8697a616 | 331 | |
90e19f82 | 332 | lttv_hooks_call(after_traceset, self); |
8697a616 | 333 | |
334 | ||
dc877563 | 335 | } |
336 | ||
8697a616 | 337 | void lttv_trace_context_add_hooks(LttvTraceContext *self, |
90e19f82 AM |
338 | LttvHooks *before_trace, |
339 | LttvHooks *before_tracefile, | |
340 | LttvHooks *event, | |
341 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 342 | { |
90e19f82 AM |
343 | guint i, j, nb_tracefile; |
344 | LttvTracefileContext **tfc; | |
345 | LttTracefile *tf; | |
346 | ||
347 | lttv_hooks_call(before_trace, self); | |
348 | ||
349 | nb_tracefile = self->tracefiles->len; | |
350 | ||
351 | for(i = 0 ; i < nb_tracefile ; i++) { | |
352 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
353 | tf = (*tfc)->tf; | |
354 | lttv_tracefile_context_add_hooks(*tfc, | |
355 | before_tracefile, | |
356 | event, | |
357 | NULL); | |
358 | if (event_by_id_channel) { | |
359 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
360 | LttvHooksByIdChannel *hooks = | |
361 | &g_array_index(event_by_id_channel->array, | |
362 | LttvHooksByIdChannel, j); | |
363 | if (tf->name == hooks->channel) | |
364 | lttv_tracefile_context_add_hooks(*tfc, | |
365 | NULL, | |
366 | NULL, | |
367 | hooks->hooks_by_id); | |
368 | } | |
369 | } | |
370 | } | |
a8c0f09d | 371 | } |
372 | ||
8697a616 | 373 | |
374 | ||
375 | void lttv_trace_context_remove_hooks(LttvTraceContext *self, | |
90e19f82 AM |
376 | LttvHooks *after_trace, |
377 | LttvHooks *after_tracefile, | |
378 | LttvHooks *event, | |
379 | LttvHooksByIdChannelArray *event_by_id_channel) | |
a8c0f09d | 380 | { |
90e19f82 AM |
381 | guint i, j, nb_tracefile; |
382 | LttvTracefileContext **tfc; | |
383 | LttTracefile *tf; | |
384 | ||
385 | nb_tracefile = self->tracefiles->len; | |
386 | ||
387 | for(i = 0 ; i < nb_tracefile ; i++) { | |
388 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
389 | tf = (*tfc)->tf; | |
390 | if (event_by_id_channel) { | |
391 | for(j = 0; j < event_by_id_channel->array->len; j++) { | |
392 | LttvHooksByIdChannel *hooks = | |
393 | &g_array_index(event_by_id_channel->array, | |
394 | LttvHooksByIdChannel, j); | |
395 | if (tf->name == hooks->channel) | |
396 | lttv_tracefile_context_remove_hooks(*tfc, | |
397 | NULL, | |
398 | NULL, | |
399 | hooks->hooks_by_id); | |
400 | } | |
401 | } | |
402 | lttv_tracefile_context_remove_hooks(*tfc, | |
403 | after_tracefile, | |
404 | event, | |
405 | NULL); | |
406 | ||
407 | } | |
408 | ||
409 | lttv_hooks_call(after_trace, self); | |
a8c0f09d | 410 | } |
411 | ||
8697a616 | 412 | void lttv_tracefile_context_add_hooks(LttvTracefileContext *self, |
90e19f82 AM |
413 | LttvHooks *before_tracefile, |
414 | LttvHooks *event, | |
415 | LttvHooksById *event_by_id) | |
a8c0f09d | 416 | { |
90e19f82 AM |
417 | guint i, index; |
418 | LttvHooks *hook; | |
419 | ||
420 | lttv_hooks_call(before_tracefile, self); | |
421 | lttv_hooks_add_list(self->event, event); | |
422 | if(event_by_id != NULL) { | |
423 | for(i = 0; i < event_by_id->array->len; i++) { | |
424 | index = g_array_index(event_by_id->array, guint, i); | |
425 | hook = lttv_hooks_by_id_find(self->event_by_id, index); | |
426 | lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
427 | } | |
428 | } | |
a8c0f09d | 429 | } |
430 | ||
8697a616 | 431 | void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self, |
90e19f82 AM |
432 | LttvHooks *after_tracefile, |
433 | LttvHooks *event, | |
434 | LttvHooksById *event_by_id) | |
a8c0f09d | 435 | { |
90e19f82 AM |
436 | guint i, index; |
437 | ||
438 | LttvHooks *hook; | |
439 | ||
440 | lttv_hooks_remove_list(self->event, event); | |
441 | if(event_by_id != NULL) { | |
442 | for(i = 0; i < event_by_id->array->len; i++) { | |
443 | index = g_array_index(event_by_id->array, guint, i); | |
444 | hook = lttv_hooks_by_id_get(self->event_by_id, index); | |
445 | if(hook != NULL) | |
446 | lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, index)); | |
447 | } | |
448 | } | |
449 | ||
450 | lttv_hooks_call(after_tracefile, self); | |
a8c0f09d | 451 | } |
452 | ||
90e19f82 | 453 | static LttvTracesetContext *new_traceset_context(LttvTracesetContext *self) |
dc877563 | 454 | { |
90e19f82 | 455 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
dc877563 | 456 | } |
457 | ||
458 | ||
90e19f82 | 459 | static LttvTraceContext *new_trace_context(LttvTracesetContext *self) |
dc877563 | 460 | { |
90e19f82 | 461 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
dc877563 | 462 | } |
463 | ||
464 | ||
90e19f82 | 465 | static LttvTracefileContext *new_tracefile_context(LttvTracesetContext *self) |
dc877563 | 466 | { |
90e19f82 | 467 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
dc877563 | 468 | } |
469 | ||
470 | ||
90e19f82 AM |
471 | static void traceset_context_instance_init(GTypeInstance *instance, |
472 | gpointer g_class) | |
dc877563 | 473 | { |
90e19f82 | 474 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 475 | } |
476 | ||
477 | ||
90e19f82 | 478 | static void traceset_context_finalize(LttvTracesetContext *self) |
dc877563 | 479 | { |
90e19f82 AM |
480 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
481 | ->finalize(G_OBJECT(self)); | |
dc877563 | 482 | } |
483 | ||
484 | ||
90e19f82 | 485 | static void traceset_context_class_init(LttvTracesetContextClass *klass) |
dc877563 | 486 | { |
90e19f82 AM |
487 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
488 | ||
489 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; | |
490 | klass->init = init; | |
491 | klass->fini = fini; | |
492 | klass->new_traceset_context = new_traceset_context; | |
493 | klass->new_trace_context = new_trace_context; | |
494 | klass->new_tracefile_context = new_tracefile_context; | |
dc877563 | 495 | } |
496 | ||
497 | ||
90e19f82 | 498 | GType lttv_traceset_context_get_type(void) |
dc877563 | 499 | { |
90e19f82 AM |
500 | static GType type = 0; |
501 | if (type == 0) { | |
502 | static const GTypeInfo info = { | |
503 | sizeof (LttvTracesetContextClass), | |
504 | NULL, /* base_init */ | |
505 | NULL, /* base_finalize */ | |
506 | (GClassInitFunc) traceset_context_class_init, /* class_init */ | |
507 | NULL, /* class_finalize */ | |
508 | NULL, /* class_data */ | |
509 | sizeof (LttvTracesetContext), | |
510 | 0, /* n_preallocs */ | |
511 | (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */ | |
512 | NULL /* Value handling */ | |
513 | }; | |
514 | ||
515 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", | |
516 | &info, 0); | |
517 | } | |
518 | return type; | |
dc877563 | 519 | } |
520 | ||
521 | ||
522 | static void | |
523 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) | |
524 | { | |
90e19f82 | 525 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 526 | } |
527 | ||
528 | ||
90e19f82 | 529 | static void trace_context_finalize (LttvTraceContext *self) |
dc877563 | 530 | { |
90e19f82 AM |
531 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
532 | finalize(G_OBJECT(self)); | |
dc877563 | 533 | } |
534 | ||
535 | ||
90e19f82 | 536 | static void trace_context_class_init (LttvTraceContextClass *klass) |
dc877563 | 537 | { |
90e19f82 | 538 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 539 | |
90e19f82 | 540 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
dc877563 | 541 | } |
542 | ||
543 | ||
90e19f82 | 544 | GType lttv_trace_context_get_type(void) |
dc877563 | 545 | { |
90e19f82 AM |
546 | static GType type = 0; |
547 | if (type == 0) { | |
548 | static const GTypeInfo info = { | |
549 | sizeof (LttvTraceContextClass), | |
550 | NULL, /* base_init */ | |
551 | NULL, /* base_finalize */ | |
552 | (GClassInitFunc) trace_context_class_init, /* class_init */ | |
553 | NULL, /* class_finalize */ | |
554 | NULL, /* class_data */ | |
555 | sizeof (LttvTraceContext), | |
556 | 0, /* n_preallocs */ | |
557 | (GInstanceInitFunc) trace_context_instance_init, /* instance_init */ | |
558 | NULL /* Value handling */ | |
559 | }; | |
560 | ||
561 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", | |
562 | &info, 0); | |
563 | } | |
564 | return type; | |
dc877563 | 565 | } |
566 | ||
567 | ||
90e19f82 AM |
568 | static void tracefile_context_instance_init (GTypeInstance *instance, |
569 | gpointer g_class) | |
dc877563 | 570 | { |
90e19f82 | 571 | /* Be careful of anything which would not work well with shallow copies */ |
dc877563 | 572 | } |
573 | ||
574 | ||
90e19f82 | 575 | static void tracefile_context_finalize (LttvTracefileContext *self) |
dc877563 | 576 | { |
90e19f82 AM |
577 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
578 | ->finalize(G_OBJECT(self)); | |
dc877563 | 579 | } |
580 | ||
581 | ||
90e19f82 | 582 | static void tracefile_context_class_init (LttvTracefileContextClass *klass) |
dc877563 | 583 | { |
90e19f82 | 584 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
dc877563 | 585 | |
90e19f82 | 586 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
ffd54a90 | 587 | } |
588 | ||
589 | ||
90e19f82 | 590 | GType lttv_tracefile_context_get_type(void) |
ffd54a90 | 591 | { |
90e19f82 AM |
592 | static GType type = 0; |
593 | if (type == 0) { | |
594 | static const GTypeInfo info = { | |
595 | sizeof (LttvTracefileContextClass), | |
596 | NULL, /* base_init */ | |
597 | NULL, /* base_finalize */ | |
598 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ | |
599 | NULL, /* class_finalize */ | |
600 | NULL, /* class_data */ | |
601 | sizeof (LttvTracefileContext), | |
602 | 0, /* n_preallocs */ | |
603 | (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */ | |
604 | NULL /* Value handling */ | |
605 | }; | |
606 | ||
607 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", | |
608 | &info, 0); | |
609 | } | |
610 | return type; | |
dc877563 | 611 | } |
612 | ||
613 | ||
dc877563 | 614 | |
6843100a | 615 | static gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
90e19f82 AM |
616 | g_assert(key == value); |
617 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; | |
618 | return TRUE; | |
dc877563 | 619 | } |
620 | ||
e7f5e89d | 621 | #ifdef DEBUG |
622 | // Test to see if pqueue is traversed in the right order. | |
623 | static LttTime test_time; | |
624 | ||
698e81c2 | 625 | static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) { |
626 | ||
90e19f82 AM |
627 | LttvTracefileContext *tfc = (LttvTracefileContext *)key; |
628 | ||
629 | g_debug("Tracefile name %s, time %lu.%lu, tfi %u, ti %u", | |
630 | g_quark_to_string(ltt_tracefile_name(tfc->tf)), | |
631 | tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec, | |
632 | tfc->index, tfc->t_context->index); | |
633 | ||
634 | if(user_data != NULL) { | |
635 | if(((LttvTracefileContext *)user_data) == (LttvTracefileContext *)value) { | |
636 | g_assert(compare_tracefile(user_data, value) == 0); | |
637 | } else | |
638 | g_assert(compare_tracefile(user_data, value) != 0); | |
639 | } | |
640 | g_assert(ltt_time_compare(test_time, tfc->timestamp) <= 0); | |
641 | test_time.tv_sec = tfc->timestamp.tv_sec; | |
642 | test_time.tv_nsec = tfc->timestamp.tv_nsec; | |
643 | ||
644 | ||
645 | //g_assert(((LttvTracefileContext *)user_data) != (LttvTracefileContext *)value); | |
646 | return FALSE; | |
698e81c2 | 647 | } |
e7f5e89d | 648 | #endif //DEBUG |
698e81c2 | 649 | |
650 | ||
dc877563 | 651 | |
8697a616 | 652 | void lttv_process_traceset_begin(LttvTracesetContext *self, |
90e19f82 AM |
653 | LttvHooks *before_traceset, |
654 | LttvHooks *before_trace, | |
655 | LttvHooks *before_tracefile, | |
656 | LttvHooks *event, | |
657 | LttvHooksByIdChannelArray *event_by_id_channel) | |
8697a616 | 658 | { |
dc877563 | 659 | |
90e19f82 AM |
660 | /* simply add hooks in context. _before hooks are called by add_hooks. */ |
661 | /* It calls all before_traceset, before_trace, and before_tracefile hooks. */ | |
662 | lttv_traceset_context_add_hooks(self, | |
663 | before_traceset, | |
664 | before_trace, | |
665 | before_tracefile, | |
666 | event, | |
667 | event_by_id_channel); | |
668 | ||
2a2fa4f0 | 669 | } |
670 | ||
bd4c3eca | 671 | //enum read_state { LAST_NONE, LAST_OK, LAST_EMPTY }; |
36d36c9f | 672 | |
8697a616 | 673 | /* Note : a _middle must be preceded from a _seek or another middle */ |
674 | guint lttv_process_traceset_middle(LttvTracesetContext *self, | |
90e19f82 AM |
675 | LttTime end, |
676 | gulong nb_events, | |
677 | const LttvTracesetContextPosition *end_position) | |
2a2fa4f0 | 678 | { |
922581a4 YB |
679 | |
680 | unsigned count = 0; | |
681 | ||
556b540a | 682 | struct bt_ctf_event *bt_event; |
922581a4 | 683 | |
556b540a YB |
684 | LttvEvent event; |
685 | /* TODO ybrosseau 2012-03-16: Put in really in the traceset */ | |
686 | LttvTraceState state; | |
687 | ||
922581a4 YB |
688 | while(TRUE) { |
689 | ||
690 | if((count >= nb_events) && (nb_events != G_MAXULONG)) { | |
691 | break; | |
692 | } | |
693 | ||
556b540a | 694 | if((bt_event = bt_ctf_iter_read_event(self->iter)) != NULL) { |
922581a4 YB |
695 | |
696 | count++; | |
697 | ||
556b540a YB |
698 | event.bt_event = bt_event; |
699 | event.state = &state; | |
700 | ||
701 | lttv_hooks_call(self->event_hooks, &event); | |
922581a4 YB |
702 | |
703 | if(bt_iter_next(bt_ctf_get_iter(self->iter)) < 0) { | |
704 | printf("ERROR NEXT\n"); | |
705 | break; | |
706 | } | |
707 | } else { | |
708 | /* READ FAILED */ | |
709 | ||
710 | break; | |
711 | ||
712 | } | |
713 | } | |
714 | ||
715 | ||
716 | ||
717 | return count; | |
718 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
719 | GTree *pqueue = self->pqueue; |
720 | ||
721 | LttvTracefileContext *tfc; | |
722 | ||
723 | LttEvent *e; | |
724 | ||
725 | unsigned count = 0; | |
726 | ||
3667f07d YB |
727 | gboolean is_live = FALSE; /* set this flag if we detect a live trace */ |
728 | ||
90e19f82 AM |
729 | guint read_ret; |
730 | ||
731 | //enum read_state last_read_state = LAST_NONE; | |
732 | ||
733 | gint last_ret = 0; /* return value of the last hook list called */ | |
734 | ||
735 | /* Get the next event from the pqueue, call its hooks, | |
736 | reinsert in the pqueue the following event from the same tracefile | |
737 | unless the tracefile is finished or the event is later than the | |
738 | end time. */ | |
739 | ||
740 | while(TRUE) { | |
741 | tfc = NULL; | |
742 | g_tree_foreach(pqueue, get_first, &tfc); | |
743 | /* End of traceset : tfc is NULL */ | |
744 | if(unlikely(tfc == NULL)) | |
745 | { | |
3667f07d | 746 | break; |
90e19f82 AM |
747 | } |
748 | ||
749 | /* Have we reached : | |
750 | * - the maximum number of events specified? | |
751 | * - the end position ? | |
752 | * - the end time ? | |
753 | * then the read is finished. We leave the queue in the same state and | |
754 | * break the loop. | |
755 | */ | |
3667f07d YB |
756 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) { |
757 | ||
758 | break; | |
759 | } | |
90e19f82 AM |
760 | if(unlikely(last_ret == TRUE |
761 | || ((count >= nb_events) && (nb_events != G_MAXULONG)) | |
762 | || (end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self, | |
763 | end_position) == 0) | |
764 | || ltt_time_compare(end, tfc->timestamp) <= 0)) | |
765 | { | |
3667f07d | 766 | break; |
90e19f82 AM |
767 | } |
768 | ||
769 | /* Get the tracefile with an event for the smallest time found. If two | |
770 | or more tracefiles have events for the same time, hope that lookup | |
771 | and remove are consistent. */ | |
1986f254 | 772 | |
773 | #ifdef DEBUG | |
90e19f82 AM |
774 | test_time.tv_sec = 0; |
775 | test_time.tv_nsec = 0; | |
776 | g_debug("test tree before remove"); | |
777 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 778 | #endif //DEBUG |
90e19f82 | 779 | g_tree_remove(pqueue, tfc); |
698e81c2 | 780 | |
1986f254 | 781 | #ifdef DEBUG |
90e19f82 AM |
782 | test_time.tv_sec = 0; |
783 | test_time.tv_nsec = 0; | |
784 | g_debug("test tree after remove"); | |
785 | g_tree_foreach(pqueue, test_tree, tfc); | |
1986f254 | 786 | #endif //DEBUG |
77199e93 | 787 | |
bd4c3eca | 788 | |
90e19f82 | 789 | e = ltt_tracefile_get_event(tfc->tf); |
dc877563 | 790 | |
90e19f82 AM |
791 | //if(last_read_state != LAST_EMPTY) { |
792 | /* Only call hooks if the last read has given an event or if we are at the | |
793 | * first pass (not if last read returned end of tracefile) */ | |
794 | count++; | |
795 | ||
796 | tfc->target_pid = -1; /* unset target PID */ | |
797 | /* Hooks : | |
798 | * return values : 0 : continue read, 1 : go to next position and stop read, | |
799 | * 2 : stay at the current position and stop read */ | |
800 | last_ret = lttv_hooks_call_merge(tfc->event, tfc, | |
801 | lttv_hooks_by_id_get(tfc->event_by_id, e->event_id), tfc); | |
1fae3dd3 | 802 | |
aaecaa99 | 803 | #if 0 |
90e19f82 AM |
804 | /* This is buggy : it won't work well with state computation */ |
805 | if(unlikely(last_ret == 2)) { | |
806 | /* This is a case where we want to stay at this position and stop read. */ | |
807 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
808 | count--; |
809 | break; | |
90e19f82 | 810 | } |
aaecaa99 | 811 | #endif //0 |
90e19f82 AM |
812 | read_ret = ltt_tracefile_read(tfc->tf); |
813 | ||
814 | ||
815 | if(likely(!read_ret)) { | |
816 | //g_debug("An event is ready"); | |
817 | tfc->timestamp = ltt_event_time(e); | |
3667f07d YB |
818 | |
819 | ||
90e19f82 AM |
820 | g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0); |
821 | g_tree_insert(pqueue, tfc, tfc); | |
3667f07d YB |
822 | if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) |
823 | { | |
824 | is_live |= TRUE; | |
825 | break; | |
826 | } | |
e7f5e89d | 827 | #ifdef DEBUG |
90e19f82 AM |
828 | test_time.tv_sec = 0; |
829 | test_time.tv_nsec = 0; | |
830 | g_debug("test tree after event ready"); | |
831 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 832 | #endif //DEBUG |
833 | ||
90e19f82 AM |
834 | //last_read_state = LAST_OK; |
835 | } else { | |
836 | tfc->timestamp = ltt_time_infinite; | |
837 | ||
838 | if(read_ret == ERANGE) { | |
839 | // last_read_state = LAST_EMPTY; | |
840 | g_debug("End of trace"); | |
841 | } else | |
842 | g_error("Error happened in lttv_process_traceset_middle"); | |
843 | } | |
844 | } | |
3667f07d YB |
845 | |
846 | if (unlikely((count == 0) && is_live)) { | |
847 | return -1; | |
848 | } else { | |
849 | return count; | |
850 | } | |
922581a4 YB |
851 | |
852 | #endif /* BABEL_CLEANUP */ | |
2a2fa4f0 | 853 | } |
854 | ||
855 | ||
8697a616 | 856 | void lttv_process_traceset_end(LttvTracesetContext *self, |
90e19f82 AM |
857 | LttvHooks *after_traceset, |
858 | LttvHooks *after_trace, | |
859 | LttvHooks *after_tracefile, | |
860 | LttvHooks *event, | |
861 | LttvHooksByIdChannelArray *event_by_id_channel) | |
2a2fa4f0 | 862 | { |
90e19f82 AM |
863 | /* Remove hooks from context. _after hooks are called by remove_hooks. */ |
864 | /* It calls all after_traceset, after_trace, and after_tracefile hooks. */ | |
865 | lttv_traceset_context_remove_hooks(self, | |
866 | after_traceset, | |
867 | after_trace, | |
868 | after_tracefile, | |
869 | event, | |
870 | event_by_id_channel); | |
8697a616 | 871 | } |
2a2fa4f0 | 872 | |
27304273 | 873 | /* Subtile modification : |
874 | * if tracefile has no event at or after the time requested, it is not put in | |
348c6ba8 | 875 | * the queue, as the next read would fail. |
876 | * | |
877 | * Don't forget to empty the traceset pqueue before calling this. | |
878 | */ | |
8697a616 | 879 | void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start) |
880 | { | |
922581a4 YB |
881 | |
882 | ||
883 | #ifdef BABEL_CLEANUP | |
90e19f82 AM |
884 | guint i, nb_tracefile; |
885 | ||
886 | gint ret; | |
887 | ||
888 | LttvTracefileContext **tfc; | |
2a2fa4f0 | 889 | |
90e19f82 | 890 | nb_tracefile = self->tracefiles->len; |
2a2fa4f0 | 891 | |
90e19f82 | 892 | GTree *pqueue = self->ts_context->pqueue; |
dc877563 | 893 | |
90e19f82 AM |
894 | for(i = 0 ; i < nb_tracefile ; i++) { |
895 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
e7f5e89d | 896 | |
90e19f82 | 897 | g_tree_remove(pqueue, *tfc); |
77199e93 | 898 | |
90e19f82 AM |
899 | ret = ltt_tracefile_seek_time((*tfc)->tf, start); |
900 | if(ret == EPERM) g_error("error in lttv_process_trace_seek_time seek"); | |
27304273 | 901 | |
90e19f82 AM |
902 | if(ret == 0) { /* not ERANGE especially */ |
903 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
904 | g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0); | |
905 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
906 | } else { | |
907 | (*tfc)->timestamp = ltt_time_infinite; | |
908 | } | |
909 | } | |
e7f5e89d | 910 | #ifdef DEBUG |
90e19f82 AM |
911 | test_time.tv_sec = 0; |
912 | test_time.tv_nsec = 0; | |
913 | g_debug("test tree after seek_time"); | |
914 | g_tree_foreach(pqueue, test_tree, NULL); | |
e7f5e89d | 915 | #endif //DEBUG |
922581a4 | 916 | #endif |
8697a616 | 917 | } |
dc877563 | 918 | |
3667f07d YB |
919 | /**************************************************************************** |
920 | * lttv_process_trace_update | |
921 | * | |
922 | * process the changes that occur in the trace. Use a regular file polling to | |
923 | * monitor the tracefile. | |
924 | * | |
925 | * Return the number of tracefile updated | |
926 | ***************************************************************************/ | |
927 | guint lttv_process_trace_update(LttvTraceContext *self) | |
928 | { | |
929 | guint i; | |
930 | guint nb_tracefile = 0; | |
931 | ||
932 | LttTracefile *tf = 0; | |
933 | LttvTracefileContext **tfc; | |
934 | ||
935 | /* Skip non live traces */ | |
936 | if(self->t->is_live) { | |
937 | ||
938 | nb_tracefile = ltt_trace_update(self->t); | |
939 | ||
940 | /* Recreate the pqueue following an update*/ | |
941 | GTree *pqueue = self->ts_context->pqueue; | |
942 | ||
943 | for(i = 0 ; i < self->tracefiles->len ; i++) { | |
944 | tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i); | |
945 | tf = (*tfc)->tf; | |
946 | if(g_tree_remove(pqueue, *tfc) == FALSE) { | |
947 | if(tf->buf_index != NULL) { | |
948 | ||
949 | if(ltt_tracefile_read(tf) == 0) { | |
950 | ||
951 | (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf)); | |
952 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
953 | ||
954 | } | |
955 | } | |
956 | } else { | |
957 | g_tree_insert(pqueue, (*tfc), (*tfc)); | |
958 | ||
959 | } | |
960 | ||
961 | ||
962 | } | |
963 | //Update self time span | |
964 | self->time_span.end_time = LTT_TIME_MAX(self->t->live_safe_timestamp, | |
965 | self->time_span.end_time); | |
966 | //Update self tscontext time span | |
967 | self->ts_context->time_span.end_time = LTT_TIME_MAX(self->time_span.end_time, | |
968 | self->ts_context->time_span.end_time); | |
969 | } | |
970 | return nb_tracefile; | |
971 | ||
972 | } | |
973 | ||
974 | /**************************************************************************** | |
975 | * lttv_process_traceset_update | |
976 | * | |
977 | * process the changes that occur in the traceset. | |
978 | * | |
979 | * Return the number of file presently monitor(open for writting). If 0, the | |
980 | * current traceset probably received all the data. | |
981 | ***************************************************************************/ | |
982 | guint lttv_process_traceset_update(LttvTracesetContext *self) | |
983 | { | |
984 | guint i; | |
985 | guint nb_trace; | |
986 | guint open_counter = 0; | |
987 | ||
988 | nb_trace = lttv_traceset_number(self->ts); | |
989 | ||
990 | for(i = 0 ; i < nb_trace ; i++) { | |
991 | open_counter += lttv_process_trace_update(self->traces[i]); | |
992 | } | |
993 | return open_counter; | |
994 | } | |
2a2fa4f0 | 995 | |
8697a616 | 996 | void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start) |
922581a4 YB |
997 | { |
998 | #ifdef WAIT_FOR_BABELTRACE_FIX_SEEK_ZERO | |
999 | struct bt_iter_pos seekpos; | |
1000 | int ret; | |
1001 | seekpos.type = BT_SEEK_TIME; | |
1002 | seekpos.u.seek_time = ltt_time_to_uint64(start); | |
1003 | ret = bt_iter_set_pos(bt_ctf_get_iter(self->iter), &seekpos); | |
1004 | if(ret < 0) { | |
1005 | printf("Seek by time error: %s,\n",strerror(-ret)); | |
1006 | } | |
1007 | #else | |
1008 | #warning Seek time disabled because of babeltrace bugs | |
1009 | #endif | |
1010 | ||
1011 | #ifdef BABEL_CLEANUP | |
90e19f82 | 1012 | guint i, nb_trace; |
2a2fa4f0 | 1013 | |
922581a4 YB |
1014 | |
1015 | ||
90e19f82 | 1016 | LttvTraceContext *tc; |
2a2fa4f0 | 1017 | |
90e19f82 AM |
1018 | //g_tree_destroy(self->pqueue); |
1019 | //self->pqueue = g_tree_new(compare_tracefile); | |
348c6ba8 | 1020 | |
90e19f82 AM |
1021 | nb_trace = lttv_traceset_number(self->ts); |
1022 | for(i = 0 ; i < nb_trace ; i++) { | |
1023 | tc = self->traces[i]; | |
1024 | lttv_process_trace_seek_time(tc, start); | |
1025 | } | |
922581a4 | 1026 | #endif |
dc877563 | 1027 | } |
b445142a | 1028 | |
308711e5 | 1029 | |
8697a616 | 1030 | gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self, |
90e19f82 | 1031 | const LttvTracesetContextPosition *pos) |
308711e5 | 1032 | { |
90e19f82 AM |
1033 | guint i; |
1034 | /* If a position is set, seek the traceset to this position */ | |
1035 | if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) { | |
1036 | ||
1037 | /* Test to see if the traces has been added to the trace set : | |
1038 | * It should NEVER happen. Clear all positions if a new trace comes in. */ | |
1039 | /* FIXME I know this test is not optimal : should keep a number of | |
1040 | * tracefiles variable in the traceset.. eventually */ | |
1041 | guint num_traces = lttv_traceset_number(self->ts); | |
1042 | guint tf_count = 0; | |
1043 | for(i=0; i<num_traces;i++) { | |
1044 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1045 | guint j; | |
1046 | guint num_tracefiles = tracefiles->len; | |
1047 | for(j=0;j<num_tracefiles;j++) | |
1048 | tf_count++; | |
1049 | } | |
1050 | g_assert(tf_count == pos->tfcp->len); | |
1051 | ||
1052 | ||
1053 | //g_tree_destroy(self->pqueue); | |
1054 | //self->pqueue = g_tree_new(compare_tracefile); | |
1055 | ||
1056 | for(i=0;i<pos->tfcp->len; i++) { | |
1057 | LttvTracefileContextPosition *tfcp = | |
1058 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1059 | ||
1060 | g_tree_remove(self->pqueue, tfcp->tfc); | |
1061 | ||
1062 | if(tfcp->used == TRUE) { | |
1063 | if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0) | |
1064 | return 1; | |
1065 | tfcp->tfc->timestamp = | |
1066 | ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf)); | |
1067 | g_assert(ltt_time_compare(tfcp->tfc->timestamp, | |
1068 | ltt_time_infinite) != 0); | |
1069 | g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc); | |
1070 | ||
1071 | } else { | |
1072 | tfcp->tfc->timestamp = ltt_time_infinite; | |
1073 | } | |
1074 | } | |
1075 | } | |
e7f5e89d | 1076 | #ifdef DEBUG |
90e19f82 AM |
1077 | test_time.tv_sec = 0; |
1078 | test_time.tv_nsec = 0; | |
1079 | g_debug("test tree after seek_position"); | |
1080 | g_tree_foreach(self->pqueue, test_tree, NULL); | |
e7f5e89d | 1081 | #endif //DEBUG |
1082 | ||
1083 | ||
1084 | ||
90e19f82 | 1085 | return 0; |
308711e5 | 1086 | } |
1087 | ||
1088 | ||
f57fd845 | 1089 | #if 0 // pmf: temporary disable |
b445142a | 1090 | static LttField * |
eed2ef37 | 1091 | find_field(LttEventType *et, const GQuark field) |
b445142a | 1092 | { |
90e19f82 AM |
1093 | LttField *f; |
1094 | ||
1095 | if(field == 0) return NULL; | |
1096 | ||
1097 | f = ltt_eventtype_field_by_name(et, field); | |
1098 | if (!f) { | |
1099 | g_warning("Cannot find field %s in event %s.%s", g_quark_to_string(field), | |
1100 | g_quark_to_string(ltt_facility_name(ltt_eventtype_facility(et))), | |
1101 | g_quark_to_string(ltt_eventtype_name(et))); | |
1102 | } | |
1103 | ||
1104 | return f; | |
b445142a | 1105 | } |
f57fd845 | 1106 | #endif |
b445142a | 1107 | |
f57fd845 | 1108 | struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th) |
eed2ef37 | 1109 | { |
90e19f82 | 1110 | return marker_get_info_from_id(th->mdata, th->id); |
eed2ef37 | 1111 | } |
1112 | ||
750eb11a | 1113 | int lttv_trace_find_hook(LttTrace *t, GQuark channel_name, GQuark event_name, |
90e19f82 AM |
1114 | GQuark fields[], LttvHook h, gpointer hook_data, |
1115 | GArray **trace_hooks) | |
b445142a | 1116 | { |
90e19f82 AM |
1117 | struct marker_info *info; |
1118 | guint16 marker_id; | |
1119 | int init_array_size; | |
1120 | GArray *group; | |
1121 | struct marker_data *mdata; | |
1122 | ||
1123 | group = g_datalist_id_get_data(&t->tracefiles, channel_name); | |
1124 | if (unlikely(!group || group->len == 0)) { | |
1125 | g_info("No channel for marker named %s.%s found", | |
1126 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1127 | return 1; | |
1128 | } | |
1129 | ||
1130 | mdata = g_array_index (group, LttTracefile, 0).mdata; | |
1131 | info = marker_get_info_from_name(mdata, event_name); | |
1132 | if(unlikely(info == NULL)) { | |
1133 | g_info("No marker named %s.%s found", | |
1134 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1135 | return 1; | |
1136 | } | |
1137 | ||
1138 | init_array_size = (*trace_hooks)->len; | |
1139 | ||
1140 | /* for each marker with the requested name */ | |
1141 | do { | |
1142 | LttvTraceHook tmpth; | |
1143 | int found; | |
1144 | GQuark *f; | |
1145 | struct marker_field *marker_field; | |
1146 | ||
1147 | marker_id = marker_get_id_from_info(mdata, info); | |
1148 | ||
1149 | tmpth.h = h; | |
1150 | tmpth.mdata = mdata; | |
1151 | tmpth.channel = channel_name; | |
1152 | tmpth.id = marker_id; | |
1153 | tmpth.hook_data = hook_data; | |
1154 | tmpth.fields = g_ptr_array_new(); | |
1155 | ||
1156 | /* for each field requested */ | |
1157 | for(f = fields; f && *f != 0; f++) { | |
1158 | found = 0; | |
1159 | for_each_marker_field(marker_field, info) { | |
1160 | if(marker_field->name == *f) { | |
1161 | found = 1; | |
1162 | g_ptr_array_add(tmpth.fields, marker_field); | |
1163 | break; | |
1164 | } | |
1165 | } | |
1166 | if(!found) { | |
1167 | /* Did not find the one of the fields in this instance of the | |
1168 | marker. Print a warning and skip this marker completely. | |
1169 | Still iterate on other markers with same name. */ | |
1170 | g_ptr_array_free(tmpth.fields, TRUE); | |
1171 | g_info("Field %s cannot be found in marker %s.%s", | |
1172 | g_quark_to_string(*f), g_quark_to_string(channel_name), | |
1173 | g_quark_to_string(event_name)); | |
1174 | goto skip_marker; | |
1175 | } | |
1176 | } | |
1177 | /* all fields were found: add the tracehook to the array */ | |
1178 | *trace_hooks = g_array_append_val(*trace_hooks, tmpth); | |
6418800d | 1179 | skip_marker: |
90e19f82 AM |
1180 | info = info->next; |
1181 | } while(info != NULL); | |
1182 | ||
1183 | /* Error if no new trace hook has been added */ | |
1184 | if (init_array_size == (*trace_hooks)->len) { | |
1185 | g_info("No marker of name %s.%s has all requested fields", | |
1186 | g_quark_to_string(channel_name), g_quark_to_string(event_name)); | |
1187 | return 1; | |
1188 | } | |
1189 | return 0; | |
eed2ef37 | 1190 | } |
1191 | ||
032ba5da | 1192 | void lttv_trace_hook_remove_all(GArray **th) |
eed2ef37 | 1193 | { |
90e19f82 AM |
1194 | int i; |
1195 | for(i=0; i<(*th)->len; i++) { | |
1196 | g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE); | |
1197 | } | |
1198 | if((*th)->len) | |
1199 | *th = g_array_remove_range(*th, 0, (*th)->len); | |
b445142a | 1200 | } |
1201 | ||
90e19f82 AM |
1202 | LttvTracesetContextPosition * |
1203 | lttv_traceset_context_position_new(const LttvTracesetContext *self) | |
5e2c04a2 | 1204 | { |
90e19f82 AM |
1205 | guint num_traces = lttv_traceset_number(self->ts); |
1206 | guint tf_count = 0; | |
1207 | guint i; | |
1208 | ||
1209 | for(i=0; i<num_traces;i++) { | |
1210 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1211 | guint j; | |
1212 | guint num_tracefiles = tracefiles->len; | |
1213 | for(j=0;j<num_tracefiles;j++) | |
1214 | tf_count++; | |
1215 | } | |
1216 | LttvTracesetContextPosition *pos = g_new(LttvTracesetContextPosition, 1); | |
1217 | pos->tfcp = g_array_sized_new(FALSE, TRUE, | |
1218 | sizeof(LttvTracefileContextPosition), | |
1219 | tf_count); | |
1220 | g_array_set_size(pos->tfcp, tf_count); | |
1221 | for(i=0;i<pos->tfcp->len;i++) { | |
1222 | LttvTracefileContextPosition *tfcp = | |
1223 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1224 | tfcp->event = ltt_event_position_new(); | |
1225 | } | |
1226 | ||
1227 | pos->timestamp = ltt_time_infinite; | |
1228 | return pos; | |
5e2c04a2 | 1229 | } |
1230 | ||
3054461a | 1231 | /* Save all positions, the ones with infinite time will have NULL |
1986f254 | 1232 | * ep. */ |
9ba3aaaf | 1233 | /* note : a position must be destroyed when a trace is added/removed from a |
1234 | * traceset */ | |
27304273 | 1235 | void lttv_traceset_context_position_save(const LttvTracesetContext *self, |
90e19f82 | 1236 | LttvTracesetContextPosition *pos) |
27304273 | 1237 | { |
90e19f82 AM |
1238 | guint i; |
1239 | guint num_traces = lttv_traceset_number(self->ts); | |
1240 | guint tf_count = 0; | |
1241 | ||
1242 | pos->timestamp = ltt_time_infinite; | |
1243 | ||
1244 | for(i=0; i<num_traces;i++) { | |
1245 | GArray * tracefiles = self->traces[i]->tracefiles; | |
1246 | guint j; | |
1247 | guint num_tracefiles = tracefiles->len; | |
1248 | ||
1249 | for(j=0;j<num_tracefiles;j++) { | |
1250 | g_assert(tf_count < pos->tfcp->len); | |
1251 | LttvTracefileContext **tfc = &g_array_index(tracefiles, | |
1252 | LttvTracefileContext*, j); | |
1253 | LttvTracefileContextPosition *tfcp = | |
1254 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count); | |
1255 | ||
1256 | tfcp->tfc = *tfc; | |
1257 | ||
1258 | if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) { | |
1259 | LttEvent *event = ltt_tracefile_get_event((*tfc)->tf); | |
1260 | ltt_event_position(event, tfcp->event); | |
1261 | if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0) | |
1262 | pos->timestamp = (*tfc)->timestamp; | |
1263 | tfcp->used = TRUE; | |
1264 | } else { | |
1265 | tfcp->used = FALSE; | |
1266 | } | |
1267 | ||
1268 | //g_array_append_val(pos->tfc, *tfc); | |
1269 | //g_array_append_val(pos->ep, ep); | |
1270 | tf_count++; | |
1271 | } | |
1272 | ||
1273 | } | |
8697a616 | 1274 | } |
1275 | ||
1276 | void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos) | |
1277 | { | |
90e19f82 AM |
1278 | int i; |
1279 | ||
1280 | for(i=0;i<pos->tfcp->len;i++) { | |
1281 | LttvTracefileContextPosition *tfcp = | |
1282 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1283 | g_free(tfcp->event); | |
1284 | tfcp->event = NULL; | |
1285 | tfcp->used = FALSE; | |
1286 | } | |
1287 | g_array_free(pos->tfcp, TRUE); | |
1288 | g_free(pos); | |
8697a616 | 1289 | } |
1290 | ||
5e2c04a2 | 1291 | void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest, |
90e19f82 | 1292 | const LttvTracesetContextPosition *src) |
5e2c04a2 | 1293 | { |
90e19f82 AM |
1294 | int i; |
1295 | LttvTracefileContextPosition *src_tfcp, *dest_tfcp; | |
1296 | ||
1297 | g_assert(src->tfcp->len == dest->tfcp->len); | |
1298 | ||
1299 | for(i=0;i<src->tfcp->len;i++) { | |
1300 | src_tfcp = | |
1301 | &g_array_index(src->tfcp, LttvTracefileContextPosition, i); | |
1302 | dest_tfcp = | |
1303 | &g_array_index(dest->tfcp, LttvTracefileContextPosition, i); | |
1304 | ||
1305 | dest_tfcp->used = src_tfcp->used; | |
1306 | dest_tfcp->tfc = src_tfcp->tfc; | |
1307 | ||
1308 | if(src_tfcp->used) { | |
1309 | ltt_event_position_copy( | |
1310 | dest_tfcp->event, | |
1311 | src_tfcp->event); | |
1312 | } | |
1313 | } | |
1314 | dest->timestamp = src->timestamp; | |
5e2c04a2 | 1315 | } |
1316 | ||
8697a616 | 1317 | gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self, |
90e19f82 | 1318 | const LttvTracesetContextPosition *pos) |
8697a616 | 1319 | { |
90e19f82 AM |
1320 | int i; |
1321 | int ret = 0; | |
1322 | ||
1323 | if(pos->tfcp->len == 0) { | |
1324 | if(lttv_traceset_number(self->ts) == 0) return 0; | |
1325 | else return 1; | |
1326 | } | |
1327 | if(lttv_traceset_number(self->ts) == 0) | |
1328 | return -1; | |
1329 | ||
1330 | for(i=0;i<pos->tfcp->len;i++) { | |
1331 | LttvTracefileContextPosition *tfcp = | |
1332 | &g_array_index(pos->tfcp, LttvTracefileContextPosition, i); | |
1333 | ||
1334 | if(tfcp->used == FALSE) { | |
1335 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) { | |
1336 | ret = -1; | |
1337 | } | |
1338 | } else { | |
1339 | if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) { | |
1340 | ret = 1; | |
1341 | } else { | |
1342 | LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf); | |
1343 | ||
1344 | ret = ltt_event_position_compare((LttEventPosition*)event, | |
1345 | tfcp->event); | |
1346 | } | |
1347 | } | |
1348 | if(ret != 0) return ret; | |
1349 | ||
1350 | } | |
1351 | return 0; | |
8697a616 | 1352 | } |
1353 | ||
1354 | ||
90e19f82 AM |
1355 | gint |
1356 | lttv_traceset_context_pos_pos_compare(const LttvTracesetContextPosition *pos1, | |
1357 | const LttvTracesetContextPosition *pos2) | |
8697a616 | 1358 | { |
90e19f82 AM |
1359 | int i, j; |
1360 | int ret = 0; | |
1361 | ||
1362 | if(ltt_time_compare(pos1->timestamp, ltt_time_infinite) == 0) { | |
1363 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1364 | return 0; | |
1365 | else | |
1366 | return 1; | |
1367 | } | |
1368 | if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0) | |
1369 | return -1; | |
1370 | ||
1371 | for(i=0;i<pos1->tfcp->len;i++) { | |
1372 | LttvTracefileContextPosition *tfcp1 = | |
1373 | &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i); | |
1374 | ||
1375 | if(tfcp1->used == TRUE) { | |
1376 | for(j=0;j<pos2->tfcp->len;j++) { | |
1377 | LttvTracefileContextPosition *tfcp2 = | |
1378 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1379 | ||
1380 | if(tfcp1->tfc == tfcp2->tfc) { | |
1381 | if(tfcp2->used == TRUE) | |
1382 | ret = ltt_event_position_compare(tfcp1->event, tfcp2->event); | |
1383 | else | |
1384 | ret = -1; | |
1385 | ||
1386 | if(ret != 0) return ret; | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | } else { | |
1391 | for(j=0;j<pos2->tfcp->len;j++) { | |
1392 | LttvTracefileContextPosition *tfcp2 = | |
1393 | &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j); | |
1394 | ||
1395 | if(tfcp1->tfc == tfcp2->tfc) | |
1396 | if(tfcp2->used == TRUE) ret = 1; | |
1397 | if(ret != 0) return ret; | |
1398 | } | |
1399 | } | |
1400 | } | |
1401 | return 0; | |
8697a616 | 1402 | } |
1403 | ||
1404 | ||
90e19f82 AM |
1405 | LttTime |
1406 | lttv_traceset_context_position_get_time(const LttvTracesetContextPosition *pos) | |
2d262115 | 1407 | { |
90e19f82 | 1408 | return pos->timestamp; |
2d262115 | 1409 | } |
1410 | ||
1411 | ||
90e19f82 AM |
1412 | LttvTracefileContext * |
1413 | lttv_traceset_context_get_current_tfc(LttvTracesetContext *self) | |
2d262115 | 1414 | { |
90e19f82 AM |
1415 | GTree *pqueue = self->pqueue; |
1416 | LttvTracefileContext *tfc = NULL; | |
2d262115 | 1417 | |
90e19f82 | 1418 | g_tree_foreach(pqueue, get_first, &tfc); |
2d262115 | 1419 | |
90e19f82 | 1420 | return tfc; |
2d262115 | 1421 | } |
18c87975 | 1422 | |
2c82c4dc | 1423 | /* lttv_process_traceset_synchronize_tracefiles |
1424 | * | |
1425 | * Use the sync_position field of the trace set context to synchronize each | |
1426 | * tracefile with the previously saved position. | |
1427 | * | |
1428 | * If no previous position has been saved, it simply does nothing. | |
1429 | */ | |
1430 | void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc) | |
1431 | { | |
90e19f82 | 1432 | int retval; |
8f318283 | 1433 | |
90e19f82 AM |
1434 | retval= lttv_process_traceset_seek_position(tsc, tsc->sync_position); |
1435 | g_assert_cmpint(retval, ==, 0); | |
2c82c4dc | 1436 | } |
1437 | ||
1438 | ||
1439 | ||
1440 | ||
1441 | void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc) | |
1442 | { | |
90e19f82 | 1443 | lttv_traceset_context_position_save(tsc, tsc->sync_position); |
2c82c4dc | 1444 | } |
1445 | ||
0bd2f89c | 1446 | struct seek_back_data { |
90e19f82 AM |
1447 | guint first_event; /* Index of the first event in the array : we will always |
1448 | overwrite at this position : this is a circular array. | |
1449 | */ | |
1450 | guint events_found; | |
1451 | guint n; /* number of events requested */ | |
1452 | GPtrArray *array; /* array of LttvTracesetContextPositions pointers */ | |
1453 | LttvFilter *filter1; | |
1454 | LttvFilter *filter2; | |
1455 | LttvFilter *filter3; | |
1456 | gpointer data; | |
1457 | check_handler *check; | |
1458 | gboolean *stop_flag; | |
1459 | guint raw_event_count; | |
0bd2f89c | 1460 | }; |
1461 | ||
1462 | static gint seek_back_event_hook(void *hook_data, void* call_data) | |
1463 | { | |
90e19f82 AM |
1464 | struct seek_back_data *sd = (struct seek_back_data*)hook_data; |
1465 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1466 | LttvTracesetContext *tsc = tfc->t_context->ts_context; | |
1467 | LttvTracesetContextPosition *pos; | |
1468 | ||
1469 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1470 | return TRUE; | |
1471 | sd->raw_event_count++; | |
1472 | ||
1473 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1474 | !lttv_filter_tree_parse(sd->filter1->head, | |
1475 | ltt_tracefile_get_event(tfc->tf), | |
1476 | tfc->tf, | |
1477 | tfc->t_context->t, | |
1478 | tfc,NULL,NULL)) { | |
1479 | return FALSE; | |
1480 | } | |
1481 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1482 | !lttv_filter_tree_parse(sd->filter2->head, | |
1483 | ltt_tracefile_get_event(tfc->tf), | |
1484 | tfc->tf, | |
1485 | tfc->t_context->t, | |
1486 | tfc,NULL,NULL)) { | |
1487 | return FALSE; | |
1488 | } | |
1489 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1490 | !lttv_filter_tree_parse(sd->filter3->head, | |
1491 | ltt_tracefile_get_event(tfc->tf), | |
1492 | tfc->tf, | |
1493 | tfc->t_context->t, | |
1494 | tfc,NULL,NULL)) { | |
1495 | return FALSE; | |
1496 | } | |
1497 | ||
1498 | pos = (LttvTracesetContextPosition*)g_ptr_array_index (sd->array, | |
1499 | sd->first_event); | |
1500 | ||
1501 | lttv_traceset_context_position_save(tsc, pos); | |
1502 | ||
1503 | if(sd->first_event >= sd->array->len - 1) sd->first_event = 0; | |
1504 | else sd->first_event++; | |
1505 | ||
1506 | sd->events_found = min(sd->n, sd->events_found + 1); | |
1507 | ||
1508 | return FALSE; | |
0bd2f89c | 1509 | } |
1510 | ||
0bd2f89c | 1511 | /* Seek back n events back from the current position. |
1512 | * | |
1513 | * Parameters : | |
1514 | * @self The trace set context | |
1515 | * @n number of events to jump over | |
9ba3aaaf | 1516 | * @first_offset The initial offset value used. |
33e44b82 | 1517 | * never put first_offset at ltt_time_zero. |
1518 | * @time_seeker Function pointer of the function to use to seek time : | |
1519 | * either lttv_process_traceset_seek_time | |
1520 | * or lttv_state_traceset_seek_time_closest | |
1521 | * @filter The filter to call. | |
0bd2f89c | 1522 | * |
1523 | * Return value : the number of events found (might be lower than the number | |
1524 | * requested if beginning of traceset is reached). | |
1525 | * | |
1526 | * The first search will go back first_offset and try to find the last n events | |
1527 | * matching the filter. If there are not enough, it will try to go back from the | |
1528 | * new trace point from first_offset*2, and so on, until beginning of trace or n | |
1529 | * events are found. | |
1530 | * | |
1531 | * Note : this function does not take in account the LttvFilter : use the | |
1532 | * similar function found in state.c instead. | |
1533 | * | |
1534 | * Note2 : the caller must make sure that the LttvTracesetContext does not | |
1535 | * contain any hook, as process_traceset_middle is used in this routine. | |
1536 | */ | |
1537 | guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self, | |
90e19f82 AM |
1538 | guint n, LttTime first_offset, |
1539 | seek_time_fct time_seeker, | |
1540 | check_handler *check, | |
1541 | gboolean *stop_flag, | |
1542 | LttvFilter *filter1, | |
1543 | LttvFilter *filter2, | |
1544 | LttvFilter *filter3, | |
1545 | gpointer data) | |
0bd2f89c | 1546 | { |
90e19f82 AM |
1547 | if(lttv_traceset_number(self->ts) == 0) return 0; |
1548 | g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0); | |
1549 | ||
1550 | guint i; | |
1551 | LttvTracesetContextPosition *next_iter_end_pos = | |
1552 | lttv_traceset_context_position_new(self); | |
1553 | LttvTracesetContextPosition *end_pos = | |
1554 | lttv_traceset_context_position_new(self); | |
1555 | LttvTracesetContextPosition *saved_pos = | |
1556 | lttv_traceset_context_position_new(self); | |
1557 | LttTime time; | |
1558 | LttTime asked_time; | |
1559 | LttTime time_offset; | |
1560 | struct seek_back_data sd; | |
1561 | LttvHooks *hooks = lttv_hooks_new(); | |
1562 | int retval; | |
1563 | ||
1564 | sd.first_event = 0; | |
1565 | sd.events_found = 0; | |
1566 | sd.array = g_ptr_array_sized_new(n); | |
1567 | sd.filter1 = filter1; | |
1568 | sd.filter2 = filter2; | |
1569 | sd.filter3 = filter3; | |
1570 | sd.data = data; | |
1571 | sd.n = n; | |
1572 | sd.check = check; | |
1573 | sd.stop_flag = stop_flag; | |
1574 | sd.raw_event_count = 0; | |
1575 | g_ptr_array_set_size(sd.array, n); | |
1576 | for(i=0;i<n;i++) { | |
1577 | g_ptr_array_index (sd.array, i) = lttv_traceset_context_position_new(self); | |
1578 | } | |
33e44b82 | 1579 | |
90e19f82 AM |
1580 | lttv_traceset_context_position_save(self, next_iter_end_pos); |
1581 | lttv_traceset_context_position_save(self, saved_pos); | |
1582 | /* Get the current time from which we will offset */ | |
1583 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1584 | /* the position saved might be end of traceset... */ | |
1585 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1586 | time = self->time_span.end_time; | |
1587 | } | |
1588 | time_offset = first_offset; | |
0bd2f89c | 1589 | |
90e19f82 AM |
1590 | lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT); |
1591 | ||
1592 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1593 | ||
1594 | while(1) { | |
1595 | lttv_traceset_context_position_copy(end_pos, next_iter_end_pos); | |
1596 | ||
1597 | /* We must seek the traceset back to time - time_offset */ | |
1598 | /* this time becomes the new reference time */ | |
1599 | if(ltt_time_compare(time, time_offset) > 0) | |
1600 | time = ltt_time_sub(time, time_offset); | |
1601 | else | |
1602 | time = self->time_span.start_time; | |
1603 | asked_time = time; | |
1604 | ||
1605 | time_seeker(self, time); | |
1606 | lttv_traceset_context_position_save(self, next_iter_end_pos); | |
1607 | /* Resync the time in case of a seek_closest */ | |
1608 | time = lttv_traceset_context_position_get_time(next_iter_end_pos); | |
1609 | if(ltt_time_compare(time, self->time_span.end_time) > 0) { | |
1610 | time = self->time_span.end_time; | |
1611 | } | |
1612 | ||
1613 | /* Process the traceset, calling a hook which adds events | |
1614 | * to the array, overwriting the tail. It changes first_event and | |
1615 | * events_found too. */ | |
1616 | /* We would like to have a clean context here : no other hook than our's */ | |
1617 | ||
1618 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1619 | G_MAXUINT, end_pos); | |
1620 | ||
1621 | /* stop criteria : - n events found | |
1622 | * - asked_time < beginning of trace */ | |
1623 | if(sd.events_found < n) { | |
1624 | if(sd.first_event > 0) { | |
1625 | /* Save the first position */ | |
1626 | LttvTracesetContextPosition *pos = | |
1627 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0); | |
1628 | lttv_traceset_context_position_copy(saved_pos, pos); | |
1629 | } | |
1630 | g_assert(n-sd.events_found <= sd.array->len); | |
1631 | /* Change array size to n - events_found */ | |
1632 | for(i=n-sd.events_found;i<sd.array->len;i++) { | |
1633 | LttvTracesetContextPosition *pos = | |
1634 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1635 | lttv_traceset_context_position_destroy(pos); | |
1636 | } | |
1637 | g_ptr_array_set_size(sd.array, n-sd.events_found); | |
1638 | sd.first_event = 0; | |
1639 | ||
1640 | /* | |
1641 | * Did not fill our event list and started before the beginning of the | |
1642 | * trace. There is no hope to fill it then. | |
1643 | * It is OK to compare with trace start time here because we explicitely | |
1644 | * seeked by time (not by position), so we cannot miss multiple event | |
1645 | * happening exactly at trace start. | |
1646 | */ | |
1647 | if(ltt_time_compare(asked_time, self->time_span.start_time) == 0) | |
1648 | break; | |
1649 | ||
1650 | } else break; /* Second end criterion : n events found */ | |
1651 | ||
1652 | time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL); | |
1653 | } | |
1654 | ||
1655 | lttv_traceset_context_position_destroy(end_pos); | |
1656 | lttv_traceset_context_position_destroy(next_iter_end_pos); | |
1657 | ||
1658 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1659 | ||
1660 | if(sd.events_found >= n) { | |
1661 | /* Seek the traceset to the first event in the circular array */ | |
1662 | LttvTracesetContextPosition *pos = | |
1663 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, | |
1664 | sd.first_event); | |
1665 | retval= lttv_process_traceset_seek_position(self, pos); | |
1666 | g_assert_cmpint(retval, ==, 0); | |
1667 | } else { | |
1668 | /* Will seek to the last saved position : in the worst case, it will be the | |
1669 | * original position (if events_found is 0) */ | |
1670 | retval= lttv_process_traceset_seek_position(self, saved_pos); | |
1671 | g_assert_cmpint(retval, ==, 0); | |
1672 | } | |
1673 | ||
1674 | for(i=0;i<sd.array->len;i++) { | |
1675 | LttvTracesetContextPosition *pos = | |
1676 | (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i); | |
1677 | lttv_traceset_context_position_destroy(pos); | |
1678 | } | |
1679 | g_ptr_array_free(sd.array, TRUE); | |
1680 | ||
1681 | lttv_hooks_destroy(hooks); | |
1682 | ||
1683 | lttv_traceset_context_position_destroy(saved_pos); | |
1684 | ||
1685 | return sd.events_found; | |
0bd2f89c | 1686 | } |
1687 | ||
1688 | ||
1689 | struct seek_forward_data { | |
90e19f82 AM |
1690 | guint event_count; /* event counter */ |
1691 | guint n; /* requested number of events to jump over */ | |
1692 | LttvFilter *filter1; | |
1693 | LttvFilter *filter2; | |
1694 | LttvFilter *filter3; | |
1695 | gpointer data; | |
1696 | check_handler *check; | |
1697 | gboolean *stop_flag; | |
1698 | guint raw_event_count; /* event counter */ | |
0bd2f89c | 1699 | }; |
1700 | ||
1701 | static gint seek_forward_event_hook(void *hook_data, void* call_data) | |
1702 | { | |
90e19f82 AM |
1703 | struct seek_forward_data *sd = (struct seek_forward_data*)hook_data; |
1704 | LttvTracefileContext *tfc = (LttvTracefileContext*)call_data; | |
1705 | ||
1706 | if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data)) | |
1707 | return TRUE; | |
1708 | sd->raw_event_count++; | |
1709 | ||
1710 | if(sd->filter1 != NULL && sd->filter1->head != NULL && | |
1711 | !lttv_filter_tree_parse(sd->filter1->head, | |
1712 | ltt_tracefile_get_event(tfc->tf), | |
1713 | tfc->tf, | |
1714 | tfc->t_context->t, | |
1715 | tfc,NULL,NULL)) { | |
1716 | return FALSE; | |
1717 | } | |
1718 | if(sd->filter2 != NULL && sd->filter2->head != NULL && | |
1719 | !lttv_filter_tree_parse(sd->filter2->head, | |
1720 | ltt_tracefile_get_event(tfc->tf), | |
1721 | tfc->tf, | |
1722 | tfc->t_context->t, | |
1723 | tfc,NULL,NULL)) { | |
1724 | return FALSE; | |
1725 | } | |
1726 | if(sd->filter3 != NULL && sd->filter3->head != NULL && | |
1727 | !lttv_filter_tree_parse(sd->filter3->head, | |
1728 | ltt_tracefile_get_event(tfc->tf), | |
1729 | tfc->tf, | |
1730 | tfc->t_context->t, | |
1731 | tfc,NULL,NULL)) { | |
1732 | return FALSE; | |
1733 | } | |
1734 | ||
1735 | sd->event_count++; | |
1736 | if(sd->event_count >= sd->n) | |
1737 | return TRUE; | |
1738 | return FALSE; | |
0bd2f89c | 1739 | } |
1740 | ||
aaecaa99 | 1741 | /* Seek back n events forward from the current position (1 to n) |
1742 | * 0 is ok too, but it will actually do nothing. | |
0bd2f89c | 1743 | * |
1744 | * Parameters : | |
33e44b82 | 1745 | * @self the trace set context |
1746 | * @n number of events to jump over | |
1747 | * @filter filter to call. | |
0bd2f89c | 1748 | * |
1749 | * returns : the number of events jumped over (may be less than requested if end | |
1750 | * of traceset reached) */ | |
1751 | guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self, | |
90e19f82 AM |
1752 | guint n, |
1753 | check_handler *check, | |
1754 | gboolean *stop_flag, | |
1755 | LttvFilter *filter1, | |
1756 | LttvFilter *filter2, | |
1757 | LttvFilter *filter3, | |
1758 | gpointer data) | |
0bd2f89c | 1759 | { |
90e19f82 AM |
1760 | struct seek_forward_data sd; |
1761 | sd.event_count = 0; | |
1762 | sd.n = n; | |
1763 | sd.filter1 = filter1; | |
1764 | sd.filter2 = filter2; | |
1765 | sd.filter3 = filter3; | |
1766 | sd.data = data; | |
1767 | sd.check = check; | |
1768 | sd.stop_flag = stop_flag; | |
1769 | sd.raw_event_count = 0; | |
1770 | ||
1771 | if(sd.event_count >= sd.n) return sd.event_count; | |
1772 | ||
1773 | LttvHooks *hooks = lttv_hooks_new(); | |
1774 | ||
1775 | lttv_hooks_add(hooks, seek_forward_event_hook, &sd, LTTV_PRIO_DEFAULT); | |
1776 | ||
1777 | lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL); | |
1778 | ||
1779 | /* it will end on the end of traceset, or the fact that the | |
1780 | * hook returns TRUE. | |
1781 | */ | |
1782 | lttv_process_traceset_middle(self, ltt_time_infinite, | |
1783 | G_MAXUINT, NULL); | |
1784 | ||
1785 | /* Here, our position is either the end of traceset, or the exact position | |
1786 | * after n events : leave it like this. This might be placed on an event that | |
1787 | * will be filtered out, we don't care : all we know is that the following | |
1788 | * event filtered in will be the right one. */ | |
1789 | ||
1790 | lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL); | |
1791 | ||
1792 | lttv_hooks_destroy(hooks); | |
1793 | ||
1794 | return sd.event_count; | |
0bd2f89c | 1795 | } |
1796 | ||
1797 |